GCF and LCM Calculator Logo

What is the Least Common Multiple of 79040 and 79060?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 79040 and 79060 is 312445120.

LCM(79040,79060) = 312445120

LCM Calculator and
and

Least Common Multiple of 79040 and 79060 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79040 and 79060, than apply into the LCM equation.

GCF(79040,79060) = 20
LCM(79040,79060) = ( 79040 × 79060) / 20
LCM(79040,79060) = 6248902400 / 20
LCM(79040,79060) = 312445120

Least Common Multiple (LCM) of 79040 and 79060 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79040 and 79060. First we will calculate the prime factors of 79040 and 79060.

Prime Factorization of 79040

Prime factors of 79040 are 2, 5, 13, 19. Prime factorization of 79040 in exponential form is:

79040 = 26 × 51 × 131 × 191

Prime Factorization of 79060

Prime factors of 79060 are 2, 5, 59, 67. Prime factorization of 79060 in exponential form is:

79060 = 22 × 51 × 591 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 79040 and 79060.

LCM(79040,79060) = 26 × 51 × 131 × 191 × 591 × 671
LCM(79040,79060) = 312445120